Greetings Yeray, Thank you for your reply. On further investigation I found that the win64 TeeChart FMX and VCL files provided with RAD Studio had not been moved to the Backup_TeeChart folder. The win32 files had been moved to backup. Once I removed these files from the RAD Studio\lib\win64 I could ...

I cannot build a VCL project using TeeChart for a 64-bit Windows Target. 32-bit Windows Target compilation is OK. To simplify the problem, if I create a new VCL Forms application using Delphi XE3, add TChart and TeeCommander objects to Unit 1 and then build this project for a 64-bit Windows target I...